package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@RestController
@RequestMapping("admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    DishService dishService;
    @Autowired
    RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);
        //清理缓存数据
        cleanCache("dish_"+ dishDTO.getCategoryId());
        return Result.success();
    }

    @GetMapping("page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询：{}", dishPageQueryDTO);
        PageResult result = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(result);
    }

    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete (@RequestParam List<Long> ids){
        log.info("菜品批量删除：{}", ids);
        dishService.deleteBatch(ids);
        //删除所有以dish_开头缓存数据
        cleanCache("dish_*");
        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品：{}",id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品:{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);
        //删除所有以dish_开头缓存数据
        cleanCache("dish_*");
        return Result.success();
    }

    @PostMapping("/status/{status}")
    @ApiOperation("修改菜品售卖状态")
    public Result updateStatus(@PathVariable Integer status, Long id){
        dishService.updateStatus(status, id);
        //删除所有以dish_开头缓存数据
        cleanCache("dish_*");
        return Result.success();
    }

    //TODO_over 路径重复待改正
    @GetMapping("/list")
    @ApiOperation("根据分类id或菜品名称查询菜品")
    public Result<List<Dish>> getByCategoryIdOrDishName
    (@RequestParam(required=false) Long categoryId, @RequestParam(required=false) String name){
        if(categoryId!=null) {
            List<Dish> dishes = dishService.getByCategoryId(categoryId);
            return Result.success(dishes);
        }else if(name!=null){
            List<Dish> dishes = dishService.getByName(name);
            return Result.success(dishes);
        }else{
            return Result.error("参数为空");
        }
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
